Gastroenterologists (GI) specialize in diagnosing and treating patients with disorders of the digestive system, including the stomach, esophagus, liver, intestines, gallbladder, pancreas and colon. GI physicians prevent and treat cancers of the digestive system, including: • colorectal cancer • ulcers • colitis • reflux disease • upper endoscopy • colonoscopy • ERCP (Endoscopic Retrograde Cholangiopancreatography) • sigmoidoscopy • ultrasound services
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